# Lucky Diary vs Fast Compress

The clearest difference is in-app purchases: Fast Compress at none against Lucky Diary's 1. Lucky Diary's advantage is update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Lucky Diary sells 1 one-off in-app purchase. Fast Compress asks for nothing beyond the download.

Lucky Diary ships an update weekly, Fast Compress every 2 months. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Lucky Diary | Fast Compress |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fast-compress/id6742486158/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | — | Ad-supported |
| Size | 17 MB | 60 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Touch VPN](https://appshunter.io/developer/1571692895) | [振鹏 钱](https://appshunter.io/developer/1571459870) |

## What reviewers say

### Lucky Diary

[App page](https://appshunter.io/ios/app/lucky-diary-record/id6443873539)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $6.99 | one-time |


### Fast Compress

[App page](https://appshunter.io/ios/app/fast-compress/id6742486158)

Optimize your device's storage with a powerful compression feature. This app efficiently manages and optimizes your media to free up valuable space.

**Highlights:** Space optimization, Media compression, Smart gallery management, Storage enhancement

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Lucky Diary free?

Lucky Diary is free to download, with in-app purchases available.

### Is Fast Compress free?

Fast Compress is free to download, with no in-app purchases.

### Do Lucky Diary or Fast Compress have ads?

Both Lucky Diary and Fast Compress show ads.

### Which is updated more often, Lucky Diary or Fast Compress?

Lucky Diary ships an update weekly, and Fast Compress every 2 months. Most recently, Lucky Diary was updated on October 15, 2026 and Fast Compress on October 13, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*